1. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Fundamentals of Anatomy & Physiology SIXTH EDITION Frederic H. Martini PowerPoint ® Lecture Slide Presentation prepared by Dr. Kathleen A. Ireland, Biology Instructor, Seabury Hall, Maui, Hawaii Uterus

2. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Principle organs of the female reproductive system Ovaries Uterine tubes Uterus Vagina

3. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Ovaries, uterine tubes and uterus enclosed within broad ligament Mesovarium supports and stabilizes ovary Support and stabilization

4. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 28.13 Figure 28.13 The Female Reproductive System

5. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Held in position by ovarian and suspensory ligaments Blood vessels enter at ovarian hilus Tunica albuginea covers ovary The ovaries

6. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 28.14a, b Figure 28.14 The Ovaries and Their Relationships to the Uterine Tube and Uterus

7. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Ovum production Occurs monthly in ovarian follicles Part of ovarian cycle Follicular phase (preovulatory) Luteal phase (postovulatory) Oogenesis

8. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 28.15 Figure 28.15 Oogenesis

9. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Steps in the ovarian cycle Formation of primary, secondary, and tertiary follicles Ovulation Formation and degeneration of the corpus luteum Degradation of the corpus luteum The ovarian cycle

10. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 28.16 Figure 28.16 The Ovarian Cycle

11. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 28.16 Figure 28.16 The Ovarian Cycle

12. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Uterine tubes (Fallopian tubes or oviducts) Infundibulum End closest to the ovary with numerous fimbriae Ampulla The middle portion Isthmus A short segment connected to the uterine wall The Uterine tubes

13. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Each uterine tube opens directly into uterine cavity Fertilization occurs in uterine tube 12-24 hours after ovulation During passage from infundibulum to uterus

14. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 28.17a-c Figure 28.17 The Uterine Tubes

15. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Muscular organ Mechanical protection Nutritional support Waste removal for the developing embryo and fetus Supported by the broad ligament and 3 pairs of suspensory ligaments The uterus

16. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Major anatomical landmarks Body Isthmus Cervix Cervical os (internal orifice) Uterine cavity Cervical canal Internal os (internal orifice) Uterus

17. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Myometrium – outer muscular layer Endometrium – a thin, inner, glandular mucosa Perimetrium – an incomplete serosa continuous with the peritoneum Uterine wall consists of three layers:

18. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 28.18a, b Figure 28.18 The Uterus

19. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 28.18c Figure 28.18 The Uterus

20. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 28.19a Figure 28.19 The Uterine Wall

21. Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 28.19b Figure 28.19 The Uterine Wall